20405628 is an even 8-digits composite number following 20405627
and preceding 20405629 . In scientific notation, it is written as 2.0405628 × 10^7.
The sum of its digits is 27. It has a total of 6 prime factors and 24 positive divisors.
There are 6801840 positive integers (up to 20405628) that are relatively prime to 20405628.
20405628 has 24 divisors, whose sum is 52903760
The reverse of 20405628 is 82650402
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million four hundred five thousand six hundred twenty-eight
Scientific notation
2.0405628 × 10^7
Engineering notation
2.0405628 × 10^6
Prime Factorization
2 × 2 × 3 × 3 × 3 × 188941
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
1133646
Product of the distinct prime numbers
The prime factorization of 20405628 is 2 × 2 × 3 × 3 × 3 × 188941.
Since it has a total of 6 prime factors.
3 , 3 , 75 , 14 , 726 , 643 , 9239 , 4083 , 47070 , 27230 , 999541 , 462773 , 7170099 , 9644615 , 85655846 , 92926016 , 750929872 , 633805718 , 2037912284 , 2054389360
n×2
40811256
n×3
61216884
n×4
81622512
n×5
102028140
n÷2
10202814
n÷3
6801876
n÷3
5101407
n÷5
4081125.6
n2
416389654074384
n3
8.4966923840906E+21
n4
1.7338034402019E+29
n5
3.5379348025879E+36
2 √n
4517.2589033616
3 √n
273.26456661243
4 √n
67.210556487516
5 √n
28.97009991314
1 , 2 , 3 , 4 , 6 , 9 , 12 , 18 , 27 , 36 , 54 , 108 , 188941 , 377882 , 566823 , 755764 , 1133646 , 1700469 , 2267292 , 3400938 , 5101407 , 6801876 , 10202814 , 20405628
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20405627
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20405628 can be divided by 24 positive divisors.
The sum of these divisors (counting 20405628) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001101110101110101111100
3
Ternary
1102101201021000
4
Quaternary
1031311311330
5
Quinary
20210440003
6
Senary
2005210300
8
Octal
115656574
10
Decimal
20405628
12
Duodecimal
6a00990
16
Hexadecimal
1375d7c
20
Vigesimal
67ae18
36
Base36
c5d30
md5
b90856e0aecada4dc158e917341ee19e
sha1
33772bea6c1b5b829f888009c83f2d072ad7748b
sha256
1ad55332e27a99f28b3746bbfee8abc28991dfedb61de2f4ae52ea0559e5c0d4
sha512
e57216d3e30f545623d1c15e6612bbd4dfe6a6a3d93bb4fdadbd7819543e7a88755f0dfae5c9deb359fe7242594b4d995b1a5ad90580d361c1e384b1d6ed2c6a
ripemd-160
1bd4d8ba6f0d66003d93b030de0b85cc8e9d300d
Diameter
40811256
Circumference
128212342.03337
Area
1.3081266782709E+15
Volume
3.5590861831562E+22
Surface area
5.2325067130835E+15
Circumference
128212342.03337
Perimeter
81622512
Area
416389654074384
Diagonal
28857915.86634
Surface area
2498337924446304
Volume
8.4966923840906E+21
Space diagonal
35343584.45635
Perimeter
61216884
Area
1.8030200915072E+14
Altitude
17671792.228175
Surface area
1.8030200915072E+14
Volume
1.0013448004078E+21
Height
9619305.2887801